1.[x + 3] = 2x + 1

A. 2
B. -4/3
C. 2, -4/3
D. 2, 4/3

2.[2x – 7] = 3
A. 5, 2
B. 5, –2
C. –5, 2
D. –5, –2

can someone explain for me plzzzzz.

i think 1.D and 2.B